87280881 has 8 divisors (see below), whose sum is σ = 116688000. Its totient is φ = 58030512.

The previous prime is 87280849. The next prime is 87280913. The reversal of 87280881 is 18808278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87280849) and next prime (87280913).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87280881 - 2⁵ = 87280849 is a prime.

It is a super-2 number, since 2×87280881² = 15235904376272322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87280811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37881 + ... + 40118.

It is an arithmetic number, because the mean of its divisors is an integer number (14586000).

Almost surely, 2^87280881 is an apocalyptic number.

It is an amenable number.

87280881 is a deficient number, since it is larger than the sum of its proper divisors (29407119).

87280881 is a wasteful number, since it uses less digits than its factorization.

87280881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78375.

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 87280881 is about 9342.4237219257. The cubic root of 87280881 is about 443.5811070288.

The spelling of 87280881 in words is "eighty-seven million, two hundred eighty thousand, eight hundred eighty-one".